How does opencv3/C++ convert pictures into videos

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Some existing images are placed in a folder jogging1\ in order, as shown in the figure:

It needs to be merged and converted into one video.

Example:

Environment: Win7+OpenCV3+VS2012

# include#include # include#include # include#include using namespace std;using namespace cv;int main () {_ finddata_t FileInfo; / / the path where the picture is read string inPath = "E:\\ image\\ yu\\ jogging1\"; string strfind = inPath + "*"; long Handle = _ findfirst (strfind.c_str (), & FileInfo); char filename [300]; Mat src; if (Handle =-1L) {cerr